const digitsRE = /(\d{3})(?=\d)/g

const dialogDrag = {
  install(Vue) {
    Vue.filter('currency', (value, decimals, currency) => {
      value = parseFloat(value)
      if (!isFinite(value) || (!value && value !== 0)) return ''
      currency = currency != null ? currency : ''
      decimals = decimals != null ? decimals : 2
      const stringified = Math.abs(value).toFixed(decimals)
      const _int = decimals ? stringified.slice(0, -1 - decimals) : stringified
      const i = _int.length % 3
      const head = i > 0 ? _int.slice(0, i) + (_int.length > 3 ? ',' : '') : ''
      const _float = decimals ? stringified.slice(-1 - decimals) : ''
      const sign = value < 0 ? '-' : ''
      return sign + currency + head + _int.slice(i).replace(digitsRE, '$1,') + _float
    })
  }
}
export default dialogDrag
